Fix AIR documentation codeowners (ray-project#31442)

Signed-off-by: tmynn <hovhannes.tamoyan@gmail.com>

.github/CODEOWNERS

@@ -94,7 +94,7 @@
 /doc/source/serve/ @edoakes @simon-mo @jiaodong @shrekris-anyscale @sihanwang41 @architkulkarni @ray-project/ray-docs
 
 # AIR (docs)
-/doc/source/air/ @richardliaw @gjoliver @krfricke @xwjiang2010 @amogkam @matthewdeng @Yard1 @maxpumperla @ray-project/ray-docs
+/doc/source/ray-air/ @richardliaw @gjoliver @krfricke @xwjiang2010 @amogkam @matthewdeng @Yard1 @maxpumperla @ray-project/ray-docs
 
 # ML Docker Dependencies
 /python/requirements/ml/requirements_dl.txt @amogkam @sven1977 @richardliaw @matthewdeng